/Engine/Source/Runtime/Engine/Classes/Particles/Size/ParticleModuleSizeScaleBySpeed.h
class UParticleModuleSizeScaleBySpeed : public [UParticleModuleSizeBase](API\Runtime\Engine\Particles\Size\UParticleModuleSizeBase)
FVector2D
MaxScale
The maximum amount by which to scale a particle in each dimension.
FVector2D
SpeedScale
Byhow much speed affects the size of the particle in each dimension.